Alright, let's solve this math problem step by step. First, we have the number 89. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 170. So, we're going to take the number 89 and add it to itself 170 times.
Step 1: 0 + 89 = 89
Step 2: 89 + 89 = 178
Step 3: 178 + 89 = 267
Step 4: 267 + 89 = 356
Step 5: 356 + 89 = 445
Step 6: 445 + 89 = 534
Step 7: 534 + 89 = 623
Step 8: 623 + 89 = 712
Step 9: 712 + 89 = 801
Step 10: 801 + 89 = 890
Step 11: 890 + 89 = 979
Step 12: 979 + 89 = 1068
Step 13: 1068 + 89 = 1157
Step 14: 1157 + 89 = 1246
Step 15: 1246 + 89 = 1335
Step 16: 1335 + 89 = 1424
Step 17: 1424 + 89 = 1513
Step 18: 1513 + 89 = 1602
Step 19: 1602 + 89 = 1691
Step 20: 1691 + 89 = 1780
Step 21: 1780 + 89 = 1869
Step 22: 1869 + 89 = 1958
Step 23: 1958 + 89 = 2047
Step 24: 2047 + 89 = 2136
Step 25: 2136 + 89 = 2225
Step 26: 2225 + 89 = 2314
Step 27: 2314 + 89 = 2403
Step 28: 2403 + 89 = 2492
Step 29: 2492 + 89 = 2581
Step 30: 2581 + 89 = 2670
Step 31: 2670 + 89 = 2759
Step 32: 2759 + 89 = 2848
Step 33: 2848 + 89 = 2937
Step 34: 2937 + 89 = 3026
Step 35: 3026 + 89 = 3115
Step 36: 3115 + 89 = 3204
Step 37: 3204 + 89 = 3293
Step 38: 3293 + 89 = 3382
Step 39: 3382 + 89 = 3471
Step 40: 3471 + 89 = 3560
Step 41: 3560 + 89 = 3649
Step 42: 3649 + 89 = 3738
Step 43: 3738 + 89 = 3827
Step 44: 3827 + 89 = 3916
Step 45: 3916 + 89 = 4005
Step 46: 4005 + 89 = 4094
Step 47: 4094 + 89 = 4183
Step 48: 4183 + 89 = 4272
Step 49: 4272 + 89 = 4361
Step 50: 4361 + 89 = 4450
Step 51: 4450 + 89 = 4539
Step 52: 4539 + 89 = 4628
Step 53: 4628 + 89 = 4717
Step 54: 4717 + 89 = 4806
Step 55: 4806 + 89 = 4895
Step 56: 4895 + 89 = 4984
Step 57: 4984 + 89 = 5073
Step 58: 5073 + 89 = 5162
Step 59: 5162 + 89 = 5251
Step 60: 5251 + 89 = 5340
Step 61: 5340 + 89 = 5429
Step 62: 5429 + 89 = 5518
Step 63: 5518 + 89 = 5607
Step 64: 5607 + 89 = 5696
Step 65: 5696 + 89 = 5785
Step 66: 5785 + 89 = 5874
Step 67: 5874 + 89 = 5963
Step 68: 5963 + 89 = 6052
Step 69: 6052 + 89 = 6141
Step 70: 6141 + 89 = 6230
Step 71: 6230 + 89 = 6319
Step 72: 6319 + 89 = 6408
Step 73: 6408 + 89 = 6497
Step 74: 6497 + 89 = 6586
Step 75: 6586 + 89 = 6675
Step 76: 6675 + 89 = 6764
Step 77: 6764 + 89 = 6853
Step 78: 6853 + 89 = 6942
Step 79: 6942 + 89 = 7031
Step 80: 7031 + 89 = 7120
Step 81: 7120 + 89 = 7209
Step 82: 7209 + 89 = 7298
Step 83: 7298 + 89 = 7387
Step 84: 7387 + 89 = 7476
Step 85: 7476 + 89 = 7565
Step 86: 7565 + 89 = 7654
Step 87: 7654 + 89 = 7743
Step 88: 7743 + 89 = 7832
Step 89: 7832 + 89 = 7921
Step 90: 7921 + 89 = 8010
Step 91: 8010 + 89 = 8099
Step 92: 8099 + 89 = 8188
Step 93: 8188 + 89 = 8277
Step 94: 8277 + 89 = 8366
Step 95: 8366 + 89 = 8455
Step 96: 8455 + 89 = 8544
Step 97: 8544 + 89 = 8633
Step 98: 8633 + 89 = 8722
Step 99: 8722 + 89 = 8811
Step 100: 8811 + 89 = 8900
Step 101: 8900 + 89 = 8989
Step 102: 8989 + 89 = 9078
Step 103: 9078 + 89 = 9167
Step 104: 9167 + 89 = 9256
Step 105: 9256 + 89 = 9345
Step 106: 9345 + 89 = 9434
Step 107: 9434 + 89 = 9523
Step 108: 9523 + 89 = 9612
Step 109: 9612 + 89 = 9701
Step 110: 9701 + 89 = 9790
Step 111: 9790 + 89 = 9879
Step 112: 9879 + 89 = 9968
Step 113: 9968 + 89 = 10057
Step 114: 10057 + 89 = 10146
Step 115: 10146 + 89 = 10235
Step 116: 10235 + 89 = 10324
Step 117: 10324 + 89 = 10413
Step 118: 10413 + 89 = 10502
Step 119: 10502 + 89 = 10591
Step 120: 10591 + 89 = 10680
Step 121: 10680 + 89 = 10769
Step 122: 10769 + 89 = 10858
Step 123: 10858 + 89 = 10947
Step 124: 10947 + 89 = 11036
Step 125: 11036 + 89 = 11125
Step 126: 11125 + 89 = 11214
Step 127: 11214 + 89 = 11303
Step 128: 11303 + 89 = 11392
Step 129: 11392 + 89 = 11481
Step 130: 11481 + 89 = 11570
Step 131: 11570 + 89 = 11659
Step 132: 11659 + 89 = 11748
Step 133: 11748 + 89 = 11837
Step 134: 11837 + 89 = 11926
Step 135: 11926 + 89 = 12015
Step 136: 12015 + 89 = 12104
Step 137: 12104 + 89 = 12193
Step 138: 12193 + 89 = 12282
Step 139: 12282 + 89 = 12371
Step 140: 12371 + 89 = 12460
Step 141: 12460 + 89 = 12549
Step 142: 12549 + 89 = 12638
Step 143: 12638 + 89 = 12727
Step 144: 12727 + 89 = 12816
Step 145: 12816 + 89 = 12905
Step 146: 12905 + 89 = 12994
Step 147: 12994 + 89 = 13083
Step 148: 13083 + 89 = 13172
Step 149: 13172 + 89 = 13261
Step 150: 13261 + 89 = 13350
Step 151: 13350 + 89 = 13439
Step 152: 13439 + 89 = 13528
Step 153: 13528 + 89 = 13617
Step 154: 13617 + 89 = 13706
Step 155: 13706 + 89 = 13795
Step 156: 13795 + 89 = 13884
Step 157: 13884 + 89 = 13973
Step 158: 13973 + 89 = 14062
Step 159: 14062 + 89 = 14151
Step 160: 14151 + 89 = 14240
Step 161: 14240 + 89 = 14329
Step 162: 14329 + 89 = 14418
Step 163: 14418 + 89 = 14507
Step 164: 14507 + 89 = 14596
Step 165: 14596 + 89 = 14685
Step 166: 14685 + 89 = 14774
Step 167: 14774 + 89 = 14863
Step 168: 14863 + 89 = 14952
Step 169: 14952 + 89 = 15041
Step 170: 15041 + 89 = 15130

So, 89*170 = 15130